Front Power Window Motor

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
Remove the inner garnish. (See INNER GARNISH REMOVAL/INSTALLATION .)
Remove the front door trim. (See FRONT DOOR TRIM REMOVAL/INSTALLATION .)
Disconnect the front power window motor connector.

Apply battery positive voltage and connect the ground to front power window motor terminals E and F, and then inspect the front power window motor operation.

Fig 1: Applying Battery Positive Voltage And Connect Ground To Front Power Window Motor Terminals

Courtesy of MAZDA MOTORS CORP.

If the front power window motor does not operate as indicated in the table, replace it.

Operation	Terminal
Operation	E	F
Close	B+	Ground
Open	Ground	B+

Connect the battery positive voltage to front power window motor terminal D and connect terminal C to ground
Operate the front power window motor and verify the wave patterns for terminals A and B.
- Terminal:
  A, B(+) <==> ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
- If the malfunction, replace the front power window motor.
  
  Fig 2: Front Power Window Motor Wave Pattern
  Courtesy of MAZDA MOTORS CORP.